Home / 15,721.39-23,585.39-4,627.15

Finding the Fourth Proportional to 15,721.39, 23,585.39 and 4,627.15

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Solution

The fourth proportional to 15,721.39, 23,585.39 and 4,627.15 is: 6,941.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,721.39 : 23,585.39 = 4,627.15 : x
  2. Step 2: Convert to fraction form
    15,721.39/23,585.39 = 4,627.15/x
  3. Step 3: Cross multiply
    15,721.39x = 23,585.39 × 4,627.15
  4. Step 4: Simplify right side
    15,721.39x = 109,133,137.34
  5. Step 5: Solve for x
    x = 109,133,137.34/15,721.39
  6. Step 6: Final answer
    x = 6,941.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.